WO2016179978A1

WO2016179978A1 - Rotation-type workpiece hoist device

Info

Publication number: WO2016179978A1
Application number: PCT/CN2015/093642
Authority: WO
Inventors: 马艳萍; 叶华
Original assignee: 江苏通达动力科技股份有限公司
Priority date: 2015-05-08
Filing date: 2015-11-03
Publication date: 2016-11-17
Also published as: CN104891351A

Abstract

Disclosed is a rotation-type workpiece hoist device, including a support (1) and a horizontal pole arm (2). A bottom plate (3) is provided at the lower end of the support (1). The bottom plate (3) is fixed on the ground. The horizontal pole arm (2) is movably and perpendicularly mounted on the top end of the support (1). A first drive device for rotating the horizontal pole arm (2) is provided on the support (1). An electric motor (4) is suspended on the horizontal pole arm (2). The electric motor (4) performs a horizontal reciprocating motion on the horizontal pole arm (2) by means of a second drive device. An electric hoist (6) of the electric motor (4) suspends a lifting hook via a steel wire rope (7). An electromagnet (8) is suspended below the lifting hook. The first drive device, the second drive device, and the electric motor (4) control operation or stopping by means of a control switch, and the electromagnet (8) controls the switching on or switching off by means of the control switch, thus achieving the beneficial effects of reducing intensity of labour for an operator, reducing administrative cost, improving production efficiency, enhancing the utilization rate of space and having a high level of safety.

Description

Rotary workpiece lifting device

Technical field

The invention belongs to the field of mechanical processing, and relates to the hoisting of regular and irregular workpieces, in particular to a rotary workpiece lifting device.

Background technique

In the prior art, the processing of heavy objects is generally carried out by manual transportation, and the production efficiency is low, and the labor intensity of the operator is large. The second method is to adopt a robot to carry the workpiece, and the method has high automation degree and high production efficiency. However, the management cost is high, and it cannot be adapted to the processing of large-scale large-sized workpieces. The third type is heavy object lifting. This type of method has long arm length, is not adjustable, wastes material, and occupies a large space. The workpiece is directly tied up. The belt is manually placed on the hook and placed on the hook. This method has poor stability and has potential safety hazards.

Summary of the invention

The above problem to be solved by the present invention is directed to the above-mentioned prior art that the labor intensity is high and the work efficiency is low, and a rotary workpiece lifting device with low labor intensity, high efficiency and safety is provided.

In order to solve the above technical problems, the technical solution adopted by the present invention is:

A rotary workpiece lifting device comprises a bracket and a crossbar arm, the lower end of the bracket is provided with a bottom plate, the bottom plate is fixed on the ground, and the crossbar arm is vertically and movably mounted on the top end of the bracket The bracket is provided with a first driving device for rotating the crossbar arm, the crossbar arm is horizontally rotated by the bracket as an axis, the crossbar arm is suspended with a motor, and the motor is driven by the second driving The device reciprocates horizontally on the crossbar arm, and the two ends of the crossbar arm are provided with a limiting device for limiting the moving region of the motor, and the motor hoist of the motor is suspended by a wire rope, the hook of the hook An electromagnet is suspended from below, and the first driving device, the second driving device and the motor are respectively controlled to operate or stop by a control switch, and the electromagnet controls the energization or de-energization through the control switch.

The wire rope is provided with an overload protector, and the maximum load value is set to 300 kg.

The connecting portion of the bracket and the bottom plate is provided with a reinforcing rib.

The crossbar arm is provided with a reinforcing triangular rib.

The bottom plate is fixed to the ground by a fastening screw.

The limiting device is a positioning screw.

The crossbar arm is movably connected to the bracket by a shaft and a bearing, the bearing comprises a radial ball bearing and a thrust spherical plain bearing, and the upper end of the bracket is provided with a built-in cavity, wherein the cavity is From the top to the bottom, a centripetal ball bearing and a thrust spherical plain bearing are sequentially arranged, and the shaft passes through the shaft hole of the radial ball bearing and the shaft hole of the thrust spherical bearing in sequence, and mutually interact with the inner ring of the two Positioning.

Compared with the prior art, the invention has the beneficial effects that the 360-degree rotation of the crossbar arm can be realized, the labor intensity of the operator is reduced, the management cost is reduced, the production efficiency is improved, and the utilization ratio of the space is improved; electromagnet control, Improve the safety of workpiece lifting, eliminate safety hazards, and adapt to the processing of large batches of large workpieces.

DRAWINGS

Figure 1 is a schematic view showing the structure of a rotary workpiece lifting device of the present invention;

Among them, 1, bracket, 2, crossbar arm, 3, bottom plate, 4, motor, 5, limit device, 6, motor hoist, 7, wire rope, 8, electromagnet, 9, overload protector, 10, stiffener 11, reinforcement triangle, 12, fastening screws, 13, shaft, 14, radial ball bearings, 15, thrust ball plane bearings.

detailed description

The invention will now be described in further detail with reference to the drawings. The drawings are simplified schematic diagrams, and only the basic structure of the present invention is illustrated in a schematic manner, and thus only the configurations related to the present invention are shown.

As shown in FIG. 1, a rotary workpiece lifting device includes a bracket 1 and a crossbar arm 2. The lower end of the bracket 1 is provided with a bottom plate 3, and the bottom plate 3 is fixed on the ground, and the crossbar is The arm 2 is vertically and movably mounted on the top end of the bracket 1, and the bracket 1 is provided with a first driving device for rotating the crossbar arm 2, and the crossbar arm 2 is horizontally rotated with the bracket 1 as an axis, The motor 4 is suspended on the crossbar arm 2, and the motor 4 is horizontally reciprocated on the crossbar arm 2 by a second driving device. Both ends of the crossbar arm 2 are provided for restricting the moving area of the motor 4. The limiting device 5, the motor hoist 6 of the motor 4 is suspended by a wire rope 7, and the electromagnet 8 is suspended below the hook, and the first driving device, the second driving device and the motor 4 respectively The electromagnet 8 controls the energization or de-energization by controlling the switch by controlling the control to operate or stop.

The wire rope 7 is provided with an overload protector 9 whose maximum load value is set to 300 kg to ensure the safety of operation.

The connecting portion of the bracket 1 and the bottom plate 3 is provided with a reinforcing rib 10 to strengthen the stability of the bracket 1.

The crossbar arm 2 is provided with a reinforcing triangular rib 11 to strengthen the tensile strength of the crossbar arm 2.

The bottom plate 3 is fixed to the ground by fastening screws 12 to enhance the stability of the bracket 1.

The limiting device 5 is a positioning screw.

The crossbar arm 2 is movably connected to the bracket 1 via a shaft 13 and a bearing, and the bearing includes a radial ball bearing 14 and a thrust spherical plain bearing 15, and the upper end of the bracket 1 is provided with a built-in cavity. The centripetal ball bearing 14 and the thrust spherical surface bearing 15 are sequentially arranged from top to bottom in the cavity, and the shaft 13 passes through the shaft hole of the centripetal ball bearing 14 and the thrust ball bearing 15 in sequence. The shaft hole is positioned with the inner ring of the two.

In operation, the first driving device is driven by the control switch, and the first driving device drives the horizontal arm 2 to rotate horizontally. When the workpiece to be transported is located in the orthographic projection area of the crossbar arm 2, the first driving device is closed by the control switch. Then, the second driving device is turned on by the control switch, and when the second driving device drives the motor 4 to move directly above the workpiece to be handled, The second driving device is turned off by the control switch, the motor 4 is turned on by the control switch, and the electromagnet 8 is energized. When the motor hoist 6 puts down the electromagnet 8 and the electromagnet 8 sucks the workpiece to be transported, the motor 4 is controlled by the control switch. The tight wire 7 lifts the workpiece to be transported, and then controls the first drive, the second drive, the motor 4 and the electromagnet 8 to move the workpiece to be transported to the destination by the control switch and to lower it.

In view of the above-described embodiments of the present invention, various changes and modifications may be made by those skilled in the art without departing from the scope of the invention. The technical scope of the present invention is not limited to the contents of the specification, and the technical scope thereof must be determined according to the scope of the claims.

Claims

A rotary workpiece lifting device, comprising: a bracket and a crossbar arm, wherein the lower end of the bracket is provided with a bottom plate, the bottom plate is fixed on the ground, and the crossbar arm is vertically and movablely mounted on the bracket The top of the bracket is provided with a first driving device for rotating the crossbar arm, the crossbar arm is horizontally rotated with the bracket as an axis, and the motor is suspended on the crossbar arm, the motor Reciprocating horizontally on the crossbar arm by the second driving device, the two ends of the crossbar arm are provided with limiting devices for limiting the moving region of the motor, and the motor hoist of the motor is suspended by the wire rope, An electromagnet is suspended under the hook, and the first driving device, the second driving device and the motor are respectively controlled to operate or stop by a control switch, and the electromagnet is controlled to be energized or de-energized by the control switch.
The rotary workpiece lifting device according to claim 1, wherein said wire rope is provided with an overload protector, and the maximum load value is set to 300 kg.
The rotary workpiece lifting device according to claim 1, wherein the joint between the bracket and the bottom plate is provided with a reinforcing rib.
The rotary workpiece lifting device according to claim 1, wherein the crossbar arm is provided with a reinforcing triangular rib.
A rotary workpiece lifting device according to claim 1, wherein said bottom plate is fixed to the ground by a fastening screw.
The rotary workpiece lifting device according to claim 1, wherein the limiting device is a positioning screw.
A rotary workpiece lifting device according to claim 1, wherein said cross arm is movably coupled to the bracket by a shaft and a bearing, said bearing comprising a radial ball bearing and a thrust spherical bearing, The upper end of the bracket is provided with a built-in cavity, and the cavity is provided with a centripetal ball bearing and a thrust spherical plane bearing from top to bottom, and the shaft passes through the shaft hole of the centripetal ball bearing in sequence. And the axial hole of the thrust ball plane bearing, and the inner ring of the two are positioned with each other.